<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
</head>
<body>
<h1>测试页面</h1>
<div>
    <form action="login" method="post">
        用户名：<input type="text" name="username"> <br>
        密码：<input type="text" name="password"> <br>
        <input type="submit" value="立即登录">
    </form>
</div>
</body>
</html>